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477000 — FACEPIECE,BREATHING EQUIPMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

477000: FACEPIECE,BREATHING EQUIPMENT.

The FACEPIECE,BREATHING EQUIPMENT is a the manufacturer industrial component. Key specifications include special_features: HALF FACEPIECE; BLANK W/BUTTON; SILICONE RUBBER; MEDIUM; YELLOW; SOLE SOURCE REQUIRED BY STATUTE 6.302, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-249-3483, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
477000
NSN: 4240-01-249-3483
NIINs: 012493483, 013828948
FSC: 4240 — Safety and Rescue Equipment
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
special_featuresHALF FACEPIECE; BLANK W/BUTTON; SILICONE RUBBER; MEDIUM; YELLOW; SOLE SOURCE REQUIRED BY STATUTE 6.302
criticality_code_justificationFEAT
NSN4240-01-249-3483
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FACEPIECE,BREATHING EQUIPMENT TITLE COMPONENT PN 477000 MFR FACEPIECE,BREATHING EQ
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESHALF FACEPIECE; BLANK W/BUTTON; SILICONE RUBBER; MEDIUM; YELLOW; SOLE SOURCE REQUIRED BY STATUTE 6.302
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required (F)
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FREQUENTLY ASKED QUESTIONS
What is 477000?
477000 is a FACEPIECE,BREATHING EQUIPMENT.
What is the NSN for 477000?
477000 is cataloged in the U.S. Government catalog under NSN 4240-01-249-3483. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.